© All Rights Reserved A cruise ship on the River Douro near Peso da Regua. There are many such trips leaving Porto ranging in a few hours duration to a few days. ©Can Stock Photo Inc/phbczRelated images Igreja da Venerável Ordem Terceira de São Francisco Porto River Cruise Boat Porto Riverside BBVA building - Porto Old TB sanotorium - Foz do Douro River side McDonald's - Porto